The Dexes / Satellite Decay / 48964
CelestialObjectDex · Satellite Decay
SPARTAN
48964 · 2026-04-03T11:13:00Z
Fixes
186
Observations
186
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T11:13:00.544224+00:00 |
|---|---|
| end_utc | 2026-08-23T11:37:44.785632+00:00 |
| family | celestialdex |
| norad_id | 48,964 |
| object_name | SPARTAN |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 97.677 |
| n_snaps | 186 |
| span_days | 142.017 |
| mean_motion_first | 15.700 |
| mean_motion_last | 15.960 |
| delta_mean_motion | 0.260 |
| altitude_first_km | 358.812 |
| altitude_last_km | 285.408 |
| decay_rate_rev_day2 | 0.002 |
| altitude_decay_km_day | -0.489 |
| decay_note | mean_motion slope (rev/day^2) and altitude slope (km/day) from least-squares fit of measured GP elements; altitude from Kepler a=(GM/n^2)^(1/3) - R_earth |
| first_utc | 2026-04-03T11:13:00.544224+00:00 |
| last_utc | 2026-08-23T11:37:44.785632+00:00 |
| last_fix_utc | 2026-08-23T11:37:44.785632+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T11:13:00.544224+00:00","mean_motion":15.70029764,"altitude_km":358.812,"eccentricity":0.00023975,"inclination_deg":97.684},{"utc":"2026-04-04T00:58:59.632608+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/48964.json